PIC32MX5XX_11 Datasheet, PDF (158/256 Pages) Microchip Technology – High-Performance, USB, CAN and Ethernet 32-bit Flash Microcontrollers

PIC32MX5XX/6XX/7XX
Table 24-1, Table 24-2, Table 24-3 and Table 24-4
show four interfaces and the associated pins that can
be used with the Ethernet Controller.
TABLE 24-1:
MII MODE DEFAULT
INTERFACE SIGNALS
(FMIIEN = 1, FETHIO = 1)
Pin Name
Description
EMDC
EMDIO
ETXCLK
ETXEN
ETXD0
ETXD1
ETXD2
ETXD3
ETXERR
ERXCLK
ERXDV
ERXD0
ERXD1
ERXD2
ERXD3
ERXERR
ECRS
ECOL
Management Clock
Management I/O
Transmit Clock
Transmit Enable
Transmit Data
Transmit Data
Transmit Data
Transmit Data
Transmit Error
Receive Clock
Receive Data Valid
Receive Data
Receive Data
Receive Data
Receive Data
Receive Error
Carrier Sense
Collision Indication
TABLE 24-2:
RMII MODE DEFAULT
INTERFACE SIGNALS
(FMIIEN = 0, FETHIO = 1)
Pin Name
Description
EMDC
EMDIO
ETXEN
ETXD0
ETXD1
EREFCLK
ECRSDV
ERXD0
ERXD1
ERXERR
Management Clock
Management I/O
Transmit Enable
Transmit Data
Transmit Data
Reference Clock
Carrier Sense – Receive Data Valid
Receive Data
Receive Data
Receive Error
Note:
Ethernet controller pins that are not used
by selected interface can be used by other
peripherals.
TABLE 24-3:
MII MODE ALTERNATE
INTERFACE SIGNALS
(FMIIEN = 1, FETHIO = 0)⁽¹⁾
Pin Name
Description
AEMDC
Management Clock
AEMDIO
Management I/O
AETXCLK
Transmit Clock
AETXEN
Transmit Enable
AETXD0
Transmit Data
AETXD1
Transmit Data
AETXD2
Transmit Data
AETXD3
Transmit Data
AETXERR
Transmit Error
AERXCLK
Receive Clock
AERXDV
Receive Data Valid
AERXD0
Receive Data
AERXD1
Receive Data
AERXD2
Receive Data
AERXD3
Receive Data
AERXERR Receive Error
AECRS
Carrier Sense
AECOL
Collision Indication
Note 1: MII Alternate Interface is not available on
64-pin devices.
TABLE 24-4:
RMII MODE ALTERNATE
INTERFACE SIGNALS
(FMIIEN = 0, FETHIO = 0)
Pin Name
Description
AEMDC
AEMDIO
AETXEN
AETXD0
AETXD1
AEREFCLK
AECRSDV
AERXD0
AERXD1
AERXERR
Management Clock
Management I/O
Transmit Enable
Transmit Data
Transmit Data
Reference Clock
Carrier Sense – Receive Data Valid
Receive Data
Receive Data
Receive Error
DS61156G-page 158
© 2009-2011 Microchip Technology Inc.